| C1s (eV) | |||
C-C | C-O-C | O-C-O | COO | |
CA | 284.798 | 286.010 | 287.330 | 289.200 |
L-CA | 284.770 | 286.031 | 287.404 | 289.390 |
| O1s (eV) | P2p (eV) | N1s (eV) | |
C-O-C | C=O | - | - | |
SL | - | - | 134.091 | 401.202 |
CA | 532.890 | 531.660 | - | - |
L-CA | 533.290 | 532.027 | 134.496 | 401.500 |